Improving Efficiency of Application-Level Multicast with Network Support

  • Takeshi Sano
  • Taku Noguchi
  • Miki Yamamoto
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2816)


Large parts of the Internet are still incapable of native multicast, and ubiquitous deployment of multicast will take a long time. There are two approaches to provide wide-area multicast service in today’s Internet. One is tunneling approach and the other is application-level multicast approach. In this paper, we focus on application-level multicast approach and propose a new scheme which improves the performance penalties of application-level multicast by making use of network support. Because in application-level multicast, endhosts provide multicast functionality instead of routers, application-level multicast delivery tree is inherently less efficient than IP multicast tree. Therefore, in our scheme, the router on the application-level multicast delivery tree alters the tree based on network-level delivery path. We evaluate our scheme with simulation experiment. Our simulation results indicate that our scheme improves the performance of application-level multicast. Further we compare our scheme to the tunneling approach from the viewpoint of transmission performances. The results reveal applicable domains of both approaches.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Takeshi Sano
    • 1
  • Taku Noguchi
    • 1
  • Miki Yamamoto
    • 1
  1. 1.Department of Communications EngineeringGraduate School of Engineering, Osaka UniversityOsakaJapan

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